Here is another way to solve the problem without static constant numbers. All the cells can be used in static and dynamic table views. This method uses single cell for both title and date picker!
Btw you can have as many date pickers in your table as you wish!
Create a UITableViewCell subclass:
All your table view cells have to be inherited from this class and you must set the cell height manually for every row.
//
// CPTableViewCell.h
//
// Copyright (c) CodePigeon. All rights reserved.
//
@class CPTableViewCell;
#define kUIAnimationDuration 0.33f
@protocol CPTableViewCellDelegate <NSObject>
@required
- (void)tableViewCellDidChangeValue:(CPTableViewCell *)cell;
@optional
- (void)tableViewCellDidBecomeFirstResponder:(CPTableViewCell *)cell;
- (void)tableViewCellResignedFirstResponder:(CPTableViewCell *)cell;
@end
@interface CPTableViewCell : UITableViewCell
@property (nonatomic, weak) IBOutlet UITableView *tableView;
@property (nonatomic, weak) IBOutlet CPTableViewCell *nextCell;
@property (nonatomic, weak) IBOutlet id<CPTableViewCellDelegate> delegate;
@property (nonatomic, copy) IBInspectable NSString *dataBindKey;
@property (nonatomic) IBInspectable CGFloat height;
@property (nonatomic, readonly) BOOL isFirstResponder;
@property (nonatomic) BOOL isEnabled;
- (void)commonInit;
- (id)value;
- (void)setValue:(id)value;
@end
//
// CPTableViewCell.m
//
// Copyright (c) CodePigeon. All rights reserved.
//
#import "CPTableViewCell.h"
@interface CPTableViewCell ()
@end
@implementation CPTableViewCell
- (instancetype)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (!self)
return nil;
[self commonInit];
return self;
}
- (instancetype)initWithCoder:(NSCoder *)aDecoder
{
self = [super initWithCoder:aDecoder];
if (!self)
return nil;
[self commonInit];
return self;
}
- (void)commonInit
{
_isFirstResponder = NO;
_isEnabled = YES;
}
- (BOOL)canBecomeFirstResponder
{
return _isEnabled;
}
- (BOOL)becomeFirstResponder
{
if ([_delegate respondsToSelector:@selector(tableViewCellDidBecomeFirstResponder:)])
[_delegate tableViewCellDidBecomeFirstResponder:self];
return _isFirstResponder = YES;
}
- (BOOL)resignFirstResponder
{
if (_isFirstResponder)
{
if ([_delegate respondsToSelector:@selector(tableViewCellResignedFirstResponder:)])
[_delegate tableViewCellResignedFirstResponder:self];
_isFirstResponder = NO;
}
return _isFirstResponder;
}
- (id)value
{
[self doesNotRecognizeSelector:_cmd];
return nil;
}
- (void)setValue:(id)value
{
[self doesNotRecognizeSelector:_cmd];
}
@end
Create a CPDatePickerTableViewCell class from our CPTableViewCell
//
// CPDatePickerTableViewCell.h
//
// Copyright (c) CodePigeon. All rights reserved.
//
#import "CPTableViewCell.h"
@interface CPDatePickerTableViewCell : CPTableViewCell
@property (nonatomic, copy) IBInspectable NSString *dateFormat;
@property (nonatomic, weak) IBOutlet UILabel *titleLabel;
@property (nonatomic, weak) IBOutlet UILabel *dateLabel;
@property (nonatomic, weak) IBOutlet UIDatePicker *datePicker;
@end
//
// CPDatePickerTableViewCell.m
//
// Copyright (c) CodePigeon. All rights reserved.
//
#import "CPDatePickerTableViewCell.h"
#define kCPDatePickerTableViewCellPickerHeight 162.f
@interface CPDatePickerTableViewCell () <UITextFieldDelegate, UIPickerViewDelegate>
{
NSDateFormatter *_dateFormatter;
BOOL _isOpen;
}
@end
@implementation CPDatePickerTableViewCell
- (void)awakeFromNib
{
[super awakeFromNib];
_dateFormatter = [NSDateFormatter new];
[_dateFormatter setDateFormat:_dateFormat];
self.selectionStyle = UITableViewCellSelectionStyleNone;
_dateLabel.text = [_dateFormatter stringFromDate:_datePicker.date];
_datePicker.alpha = 0.f;
_isOpen = NO;
}
- (BOOL)becomeFirstResponder
{
if (_isOpen == NO)
{
self.height += kCPDatePickerTableViewCellPickerHeight;
}
else
{
self.height -= kCPDatePickerTableViewCellPickerHeight;
}
[UIView animateWithDuration:kUIAnimationDuration animations:^{
_datePicker.alpha = _isOpen ? 0.0f : 1.0f;
}];
[self.tableView beginUpdates];
[self.tableView endUpdates];
_isOpen = !_isOpen;
[self.tableView endEditing:YES];
return [super becomeFirstResponder];
}
- (BOOL)resignFirstResponder
{
if (_isOpen == YES)
{
self.height -= kCPDatePickerTableViewCellPickerHeight;
[UIView animateWithDuration:kUIAnimationDuration animations:^{
_datePicker.alpha = 0.0f;
}];
[self.tableView beginUpdates];
[self.tableView endUpdates];
_isOpen = NO;
}
return [super resignFirstResponder];
}
- (id)value
{
return _datePicker.date;
}
- (void)setValue:(NSDate *)value
{
_datePicker.date = value;
_dateLabel.text = [_dateFormatter stringFromDate:_datePicker.date];
}
- (IBAction)datePickerValueChanged:(UIDatePicker *)sender
{
[_dateLabel setText:[_dateFormatter stringFromDate:_datePicker.date]];
[self.delegate tableViewCellDidChangeValue:self];
}
@end
In your view controller implement these two delegate methods
#pragma mark - UITableViewDelegate methods
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
CPTableViewCell *cell = (CPTableViewCell *)[super tableView:tableView cellForRowAtIndexPath:indexPath];
return [cell height];
}
- (BOOL)tableView:(UITableView *)tableView shouldHighlightRowAtIndexPath:(NSIndexPath *)indexPath
{
CPTableViewCell *cell = (CPTableViewCell *)[tableView cellForRowAtIndexPath:indexPath];
if ([cell canBecomeFirstResponder])
{
[cell becomeFirstResponder];
}
if (cell != _selectedCell)
{
[_selectedCell resignFirstResponder];
}
_selectedCell = cell;
return YES;
}
Example how to set up constraints in Interface builder
Additionally I have written custom cell classes for UITextField and UITextView where tableView:didSelectRowAtIndexPath: is called when cell is selected!
CPTextFieldTableViewCell
//
// CPTextFieldTableViewCell.h
//
// Copyright (c) CodePigeon. All rights reserved.
//
#import "CPTableViewCell.h"
@interface CPTextFieldTableViewCell : CPTableViewCell
@property (nonatomic, weak) IBOutlet UITextField *inputTextField;
@end
//
// CPTextFieldTableViewCell.m
//
// Copyright (c) CodePigeon. All rights reserved.
//
#import "CPTextFieldTableViewCell.h"
@interface CPTextFieldTableViewCell () <UITextFieldDelegate>
@end
@implementation CPTextFieldTableViewCell
- (void)awakeFromNib
{
[super awakeFromNib];
self.selectionStyle = UITableViewCellSelectionStyleNone;
_inputTextField.userInteractionEnabled = NO;
_inputTextField.delegate = self;
}
- (BOOL)becomeFirstResponder
{
_inputTextField.userInteractionEnabled = YES;
[_inputTextField becomeFirstResponder];
return [super becomeFirstResponder];
}
- (BOOL)resignFirstResponder
{
_inputTextField.userInteractionEnabled = NO;
return [super resignFirstResponder];
}
- (void)setIsEnabled:(BOOL)isEnabled
{
[super setIsEnabled:isEnabled];
_inputTextField.enabled = isEnabled;
}
- (id)value
{
return _inputTextField.text;
}
- (void)setValue:(NSString *)value
{
_inputTextField.text = value;
}
#pragma mark - UITextFieldDelegate methods
- (void)textFieldDidEndEditing:(UITextField *)textField
{
[self.delegate tableViewCellDidChangeValue:self];
}
@end
CBTextViewTableViewCell
Cell height is dynamic and row will grow when text is wrapped to new line!
//
// CBTextViewTableViewCell.h
//
// Copyright (c) CodePigeon. All rights reserved.
//
#import "CPTableViewCell.h"
@interface CPTextViewTableViewCell : CPTableViewCell
@property (nonatomic, weak) IBOutlet UITextView *inputTextView;
@end
//
// CBTextViewTableViewCell.m
//
// Copyright (c) CodePigeon. All rights reserved.
//
#import "CPTextViewTableViewCell.h"
@interface CPTextViewTableViewCell () <UITextViewDelegate>
{
UITextView *_heightTextView;
}
@end
@implementation CPTextViewTableViewCell
@synthesize height = _height;
- (void)awakeFromNib
{
[super awakeFromNib];
self.selectionStyle = UITableViewCellSelectionStyleNone;
_inputTextView.userInteractionEnabled = NO;
_inputTextView.delegate = self;
_inputTextView.contentInset = UIEdgeInsetsZero;
_inputTextView.scrollEnabled = NO;
}
- (CGFloat)height
{
if (!_heightTextView)
{
CGRect frame = (CGRect) {
.origin = CGPointMake(0.f, 0.f),
.size = CGSizeMake(_inputTextView.textInputView.frame.size.width, 0.f)
};
_heightTextView = [[UITextView alloc] initWithFrame:frame];
_heightTextView.font = [UIFont systemFontOfSize:_inputTextView.font.pointSize];
_heightTextView.textColor = UIColor.whiteColor;
_heightTextView.contentInset = UIEdgeInsetsZero;
}
_heightTextView.text = _inputTextView.text;
CGSize size = [_heightTextView sizeThatFits:CGSizeMake(_inputTextView.textInputView.frame.size.width, FLT_MAX)];
return size.height > _height ? size.height + _inputTextView.font.pointSize : _height;
}
- (BOOL)becomeFirstResponder
{
_inputTextView.userInteractionEnabled = YES;
[_inputTextView becomeFirstResponder];
return [super becomeFirstResponder];
}
- (BOOL)resignFirstResponder
{
_inputTextView.userInteractionEnabled = NO;
return [super resignFirstResponder];
}
- (void)setIsEnabled:(BOOL)isEnabled
{
[super setIsEnabled:isEnabled];
_inputTextView.editable = isEnabled;
}
- (id)value
{
return _inputTextView.text;
}
- (void)setValue:(NSString *)value
{
_inputTextView.text = value;
[_inputTextView setNeedsLayout];
[_inputTextView layoutIfNeeded];
}
#pragma mark - UITextViewDelegate methods
- (void)textViewDidChange:(UITextView *)textView
{
[self.delegate tableViewCellDidChangeValue:self];
[self.tableView beginUpdates];
[self.tableView endUpdates];
}
@end